[Bug target/89021] Implement mmintrin.h in SSE

[hjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89021

--- Comment #25 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Wed May 15 15:17:25 2019
New Revision: 271233

URL: https://gcc.gnu.org/viewcvs?rev=271233&root=gcc&view=rev
Log:
i386: Emulate MMX mmx_umulv4hi3_highpart with SSE

Emulate MMX mmx_umulv4hi3_highpart with SSE.  Only SSE register source
operand is allowed.

        PR target/89021
        * config/i386/mmx.md (mmx_umulv4hi3_highpart): Also check
        TARGET_MMX and TARGET_MMX_WITH_SSE.
        (*mmx_umulv4hi3_highpart): Add SSE emulation.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/mmx.md